Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schroeders TheofiledCriticalSchroeders Theo
Priority to IN223CA1990priorityCriticalpatent/IN174094B/en
Publication of IN174094BpublicationCriticalpatent/IN174094B/en